XGY   Grimsby Mountain, ON Weather Observed At   43-11  N    79-34  W

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2026-11-05	10:45am			Max		Min
Weather
Temperature		18.2 °C		18.3 °C	10:35am	15.2 °C	7:28am
Relative Humidity		71 %		93 %	2:04am	70 %	10:39am
Dew Point		12.8 °C		15.6 °C	12:03am	12.2 °C	10:04am
Wind Velocity		181 ° at  7.0 G 13.9 kt		16.5 kt	10:09am
Pressure		29.743 "		29.752 "	8:19am	29.674 "	3:32am
Rainfall Rate		0.0 mm/h		7.0 mm/h	1:35am
Snow On Ground		0 cm
Brightness / Darkness		529 W/m² /  0.00 m/"²		596 W/m²	10:44am	19.72 m/"²	5:25am
Remarks

Rainfall	Today	4.4 mm	Storm Total	6.4 mm
Snowfall	Today	0.0 cm	Storm Total	0.0 cm

Evapotranspiration

Today

-0.20 mm

Lake Conditions

Water Temperature  13.2 °C

Waves  ½ '

ICE FREE

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Meteor Index	21   Showers
Aurora Index / Solar	1   Quiet   - 1 nT	Solar Flux   111  sfu  /   S 0    G 0    R 0   /  MUF   26.9 MHz

Sunrise	6:59am	Sunset	5:05pm
Moonrise	N/A	Moonset	N/A	Moon Phase	Waning Crescent

Grimsby Mountain Weather Maps
Local	Regional	Area	Synoptic
updated H+09 and every 10m	updated H+19 and H+49	updated H+19

Ontario 6-Hour Meteorological Summary

Canadian 6-Hour Meteorological Summaries

CLIMAT Data
Official	Yesterday					2004	2005	2006	2007	2008	2009	Normals & Records
		2010	2011	2012	2013	2014	2015	2016	2017	2018	2019
		2020	2021	2022	2023	2024	2025	2026

Grimsby Mountain Charts

	Sky Quality (Darkness) Meter courtesy of

              

	Sat Pix	IR Sat Pix	Radar	Lightning
	Water	Ice

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  This is a privately operated weather station that is part of the Meteorological Service of Canada's official observing network.
Permission to publish the weather statistics found on this website is not required.
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